diff --git a/app/chain/subscribe.py b/app/chain/subscribe.py
index 9e925492..d196d25f 100644
--- a/app/chain/subscribe.py
+++ b/app/chain/subscribe.py
@@ -308,40 +308,37 @@ class SubscribeChain(ChainBase):
         if no_exists \
                 and no_exists.get(tmdb_id) \
                 and (total_episode or start_episode):
-            index = 0
-            for no_exist in no_exists.get(tmdb_id):
-                # 替换原季值
-                if no_exist.season == begin_season:
-                    # 原季集列表
-                    episode_list = no_exist.episodes
-                    # 原总集数
-                    total = no_exist.total_episodes
-                    if total_episode and start_episode:
-                        # 有开始集和总集数
-                        episodes = list(range(start_episode, total_episode + 1))
-                        no_exists[tmdb_id][index] = NotExistMediaInfo(
-                            season=begin_season,
-                            episodes=episodes,
-                            total_episodes=total_episode,
-                            start_episode=start_episode
-                        )
-                    elif not start_episode:
-                        # 有总集数没有开始集
-                        episodes = list(range(min(episode_list or [1]), total_episode + 1))
-                        no_exists[tmdb_id][index] = NotExistMediaInfo(
-                            season=begin_season,
-                            episodes=episodes,
-                            total_episodes=total_episode,
-                            start_episode=min(episode_list or [1])
-                        )
-                    elif not total_episode:
-                        # 有开始集没有总集数
-                        episodes = list(range(start_episode, max(episode_list or [total]) + 1))
-                        no_exists[tmdb_id][index] = NotExistMediaInfo(
-                            season=begin_season,
-                            episodes=episodes,
-                            total_episodes=max(episode_list or [total]),
-                            start_episode=start_episode
-                        )
-                index += 1
+            no_exist_season = no_exists.get(tmdb_id).get(begin_season)
+            if no_exist_season:
+                # 原季集列表
+                episode_list = no_exist_season.episodes
+                # 原总集数
+                total = no_exist_season.total_episodes
+                if total_episode and start_episode:
+                    # 有开始集和总集数
+                    episodes = list(range(start_episode, total_episode + 1))
+                    no_exists[tmdb_id][begin_season] = NotExistMediaInfo(
+                        season=begin_season,
+                        episodes=episodes,
+                        total_episodes=total_episode,
+                        start_episode=start_episode
+                    )
+                elif not start_episode:
+                    # 有总集数没有开始集
+                    episodes = list(range(min(episode_list or [1]), total_episode + 1))
+                    no_exists[tmdb_id][begin_season] = NotExistMediaInfo(
+                        season=begin_season,
+                        episodes=episodes,
+                        total_episodes=total_episode,
+                        start_episode=min(episode_list or [1])
+                    )
+                elif not total_episode:
+                    # 有开始集没有总集数
+                    episodes = list(range(start_episode, max(episode_list or [total]) + 1))
+                    no_exists[tmdb_id][begin_season] = NotExistMediaInfo(
+                        season=begin_season,
+                        episodes=episodes,
+                        total_episodes=max(episode_list or [total]),
+                        start_episode=start_episode
+                    )
         return no_exists